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MP8869W 3-18V, 12A Synchronous Step-Down Converter QFN-14
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pMPS MP8869W — synchronous step-down converter, 3-18V input, 12A output, QFN-14./p
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MP8869W 3-18V, 12A Synchronous Step-Down Converter QFN-14
MPS MP8869W is a synchronous step-down converter that accepts 3 V to 18 V input, delivers 12 A, supplied in a QFN-14 package.
Key Specifications
| Part Number | MP8869W |
| Input Voltage | 3 V to 18 V |
| Output Current | 12 A |
| Topology | Synchronous Step-Down Converter |
| Package | QFN-14 |
| Ordering Codes | MP8869W |
Features
- Wide 3V to 18V Operating Input Range
- 12A Continuous/15A Peak Output Current
- 1% Internal Reference Accuracy
- I2C Programmable Output Range from 0.6V to 1.55V in 7.5mV Steps with Slew Rate Control
- 5% Accuracy Output Voltage and Output Current Monitoring via I2C
- Selectable PFM/PWM Mode, Adjustable Frequency and Current Limit through I2C
- 4 Different Selectable I2C Addresses
- External Soft Start
- Open-Drain Power Good Indication
- Output Over-Voltage Protection (OVP)
Applications
- Solid-State Drive (SSD)
- Flat-Panel Television and Monitors
- Digital Set-Top Boxes
- Distributed Power Systems
Design Notes
- The step-down topology needs an inductor and output capacitor sized for the ripple at the switching frequency, not just the DC load.
- Keep the input loop short — high di/dt at the switch node sets conducted EMI.
- Power switches are integrated, so the thermal path is the PCB copper under the pad.
- Package QFN-14 — check the land pattern in the datasheet before layout.
Common Questions
What is the input and output rating of the MP8869W?
3–18 V input and 12 A output.
Which package is the MP8869W available in?
QFN-14.
Shenzhen Gaorunxin Technology Co., Ltd
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